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I'm looking for an email (outgoing only) provider that has an API. I'd be sending probably ~100 a month, maybe. The reason is because microcontrollers have a hard time with TLS and whatnot, but CURLing to an API isn't that big of a deal.

I know sendgrid offers something like this as a freemium service, but free services sometimes don't work well. Is there a service that has a very limited, cheap plan but would still offer some support if needed?

I'm looking for an email (outgoing only) provider that has an API. I'd be sending probably ~100 a month, maybe. The reason is because microcontrollers have a hard time with TLS and whatnot, but CURLing to an API isn't that big of a deal. I know sendgrid offers something like this as a freemium service, but free services sometimes don't work well. Is there a service that has a very limited, cheap plan but would still offer some support if needed?

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The arduino doesn't really have the horsepower to negotiate SSL connections.